LabExact
Grade CFP41 Cellulose Filter Paper, Qualitative, 20µm, 70mm, Fast Flow, 100/Pk SKU: LE-CFP41-070

Featuring high-purity cellulose construction delivering exceptional flow rates for rapid separation of gelatinous precipitates and coarse particle filtration applications. Ultra-fast filtration characteristics make this qualitative grade ideal for initial separations where speed takes priority over fine particle retention. A 20µm retention rating with hydrophilic membrane chemistry provides reliable processing of difficult precipitates including ferric hydroxide, aluminum hydroxide, and organic extracts requiring accelerated analytical workflows.

Key Cellulose Membrane Characteristics

Premium cellulose construction with 220µm thickness delivers robust handling characteristics during filtration procedures
20µm particle retention efficiently captures coarse precipitates while maximizing flow rates for high-volume applications
Ultra-low ash content below 0.01% eliminates interference in downstream gravimetric analysis and analytical determinations
Hydrophilic surface chemistry ensures rapid wetting and consistent flow performance with aqueous solutions
Suitable for quantitative air pollution analysis as impregnated paper tape for gaseous compound determination at high flow rates

Key Construction Characteristics

Standard 70mm diameter accommodates universal filter holders and standard analytical equipment configurations
Extremely fast filtering capability with excellent retention of gelatinous precipitates during biological fluid cleanup and organic extract processing
Gravimetric filter construction well-suited for quantitative analysis of soil samples and air monitoring applications
Non-sterile qualification reduces cost while maintaining analytical performance for routine laboratory separations
Commonly used in environmental sample preparation including soil and sludge processing for metals analysis after acid digestion

LE-CFP41-070 filters deliver accelerated separation cycles optimized for initial clarification steps in complex analytical protocols, reducing processing time while maintaining reliable particle retention. Standard grade performance enables high flow rate applications in air pollution monitoring where fine particle collection is not critical. The combination of fast flow characteristics and gelatinous precipitate compatibility makes these filters essential for routine cleanup procedures in environmental analysis, soil testing, and industrial quality control applications demanding both speed and consistent analytical results.